2668064
type: TaxonName
creator: www.organismnames.com
title: Calcisphaerula
name complete: Calcisphaerula
nomenclatural code: ICZN
published in: Zonificacion microfaunistica de las Calizas Cretaeicas del Este de Mexico. International Geological Congress, 20th 1956: i-vi, 3-102. 55 [Zoological Record Volume 98]
microreference: 55